%%This is a very basic article template.
%%There is just one section and two subsections.
\documentclass{article}
\usepackage{tikz}
\usetikzlibrary{intersections}
\pagestyle{empty}
\begin{document}
\begin{tikzpicture}
\draw[name path=curve-1] (0,0) .. controls (2,2) and (3,-1) .. (4,-1);
\draw (4,-1) .. controls (5,-1) and (5.5,-0.4) .. (6,0);
\draw (6,0) .. controls (6.5,0.3) and  (7,0) .. (8,-2);
\draw (8,-2) .. controls (8.2,-2.3) and (8.4,-1.8) .. (9,0);
%\draw[name path=line-1] (0,0.2) -- (2,0.2) ;
%\draw[name path=line-2] (0,0.6) -- (1,0.6);
\node[] (node-1) at (0.2,0.15) {};
\node[] (node-2) at (0.9,0.6) {};
\path[->,bend left,very thick] (node-1) edge (node-2) node (bend-1) {};
\node[yshift=15pt,xshift=10pt] at (bend-1.west) {\textbf{1}};
\node[] (node-3) at (4.5,-1.05) {};
\node[] (node-4) at (3.5,-0.95) {};
\path[->,bend right,very thick] (node-3) edge (node-4) node (bend-2) {};
\node[yshift=13pt,xshift=-10pt] at (bend-2) {\textbf{3}};
\node[] (node-5) at (5.85,-0.3) {};
\node[] (node-6) at (2,0.4) {};
\path[->,bend right,very thick] (node-5) edge (node-6) node (bend-3) {};
\node[yshift=30pt,xshift=-40pt] at (bend-3) {\textbf{2}};
\node[] (node-7) at (6.55,0) {};
\node[] (node-8) at (8.55,-1.55) {};
\path[->,bend left,very thick] (node-7) edge (node-8) node (bend-4) {};
\node[yshift=-10pt,xshift=40pt] at (bend-4) {\textbf{4}};
\end{tikzpicture}

\end{document}
